Knock, Knock Joke
Rate: 7,8. To vote, download our Knock Knock Jokes app for your Android device.
Knock, knock!
Who's there?
I am.
I am who?
You mean you don't know who you are?
Who's there?
I am.
I am who?
You mean you don't know who you are?
Millions of people loved our apps
these huge numbers describe theme
Knock Knock Jokes app has a great content...